efc7ea3ab3f50be1029db7fb0a203539f84c5149dd2cd91be682dde994f17982

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General

Target

efc7ea3ab3f50be1029db7fb0a203539f84c5149dd2cd91be682dde994f17982
Size

1.3MB
MD5

e1d26bd1dccb194f3d1df2bf3012ce84
SHA1

90d73af8ad91c1733d66f8a3df1c010a4fdfa44f
SHA256

efc7ea3ab3f50be1029db7fb0a203539f84c5149dd2cd91be682dde994f17982
SHA512

38676d06c9e72a83c3e25deb621290199c624e6e3a50269d2fecf54ffeda9882e10f91bca0ec0a044921e9e73037f64e2fd17e964247feeb4cdd2ae6fea96424
SSDEEP

24576:dBvj/Hs8LVc+7wFpK33BNxR1Un7Vm4ooyGsg7k22mzahCcLNnnOsi:dBvNVIDqZ1Xv47x2mza8Y4

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

efc7ea3ab3f50be1029db7fb0a203539f84c5149dd2cd91be682dde994f17982
.exe windows x86

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

15-06-2007 00:00

Not After

14-06-2012 23:59

Subject

CN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

04-12-2003 00:00

Not After

03-12-2013 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

16-07-2004 00:00

Not After

15-07-2014 23:59

Subject

CN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0a:f9:9d:85:f0:a1:1e:ff:98:4d:ca:48:4e:28:99:a4
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=US

Not Before

14-05-2007 00:00

Not After

12-07-2010 23:59

Subject

CN=Beijing Jiangmin New Sci.&Tec. Co. Ltd.,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=Beijing Jiangmin New Sci.&Tec. Co. Ltd.,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

a6:9e:d4:21:98:06:63:66:28:28:fc:a7:7f:ae:a1:97:a9:a4:5c:e1
Signer

Actual PE Digest

a6:9e:d4:21:98:06:63:66:28:28:fc:a7:7f:ae:a1:97:a9:a4:5c:e1

Digest Algorithm

sha1

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 1.9MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 21KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 641KB - Virtual size: 640KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 84KB - Virtual size: 312KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate

Extended Key Usages

Key Usages

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2Certificate

Extended Key Usages

Key Usages

0a:f9:9d:85:f0:a1:1e:ff:98:4d:ca:48:4e:28:99:a4Certificate

Extended Key Usages

Key Usages

a6:9e:d4:21:98:06:63:66:28:28:fc:a7:7f:ae:a1:97:a9:a4:5c:e1Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.9MB

UPX1 Size: 1.3MB - Virtual size: 1.3MB

.rsrc Size: 21KB - Virtual size: 24KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 641KB - Virtual size: 640KB

.rdata Size: 2.1MB - Virtual size: 2.1MB

.data Size: 84KB - Virtual size: 312KB

.rsrc Size: 49KB - Virtual size: 49KB

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2
Certificate

0a:f9:9d:85:f0:a1:1e:ff:98:4d:ca:48:4e:28:99:a4
Certificate

a6:9e:d4:21:98:06:63:66:28:28:fc:a7:7f:ae:a1:97:a9:a4:5c:e1
Signer

UPX0
Size: - Virtual size: 1.9MB

UPX1
Size: 1.3MB - Virtual size: 1.3MB

.rsrc
Size: 21KB - Virtual size: 24KB

.text
Size: 641KB - Virtual size: 640KB

.rdata
Size: 2.1MB - Virtual size: 2.1MB

.data
Size: 84KB - Virtual size: 312KB

.rsrc
Size: 49KB - Virtual size: 49KB